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#4
11-20-2002, 11:40 PM
Hummer Expert
Join Date: Nov 2002
Location: North Texas
Posts: 523
The Owner's Manual says 87 Octane is all she needs. That's all I've used and I've gone over 3000 miles without one single ping!
Tell your dealer to read the manual or go back to selling shoes. Geeez, these guys are somethin' aren't they.
Jim
Red H2 in Texas
__________________
Jim
2003 H2 Metallic Red (now gone)
2008 H3 Graphite Lux
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